EP3781428B1 - Hybridantriebsvorrichtung, motorrad und regelverfahren für eine antriebsvorrichtung - Google Patents

Hybridantriebsvorrichtung, motorrad und regelverfahren für eine antriebsvorrichtung

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Publication number
EP3781428B1
EP3781428B1 EP19721145.1A EP19721145A EP3781428B1 EP 3781428 B1 EP3781428 B1 EP 3781428B1 EP 19721145 A EP19721145 A EP 19721145A EP 3781428 B1 EP3781428 B1 EP 3781428B1
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EP
European Patent Office
Prior art keywords
connection means
electric machine
electromechanical component
mechanical connection
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19721145.1A
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English (en)
French (fr)
Other versions
EP3781428A1 (de
Inventor
Antonio Cappellini
Paolo Nesti
Luca Carmignani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Piaggio and C SpA
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Piaggio and C SpA
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Publication date
Application filed by Piaggio and C SpA filed Critical Piaggio and C SpA
Publication of EP3781428A1 publication Critical patent/EP3781428A1/de
Application granted granted Critical
Publication of EP3781428B1 publication Critical patent/EP3781428B1/de
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/52—Clutch motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention concerns a hybrid type of propulsion apparatus comprising an internal combustion engine and a reversible type electric machine, a motorcycle and the regulation method of said propulsion apparatus.
  • FIGS. 1a-1b represent schematic views of a propulsion apparatus comprising a reversible electric machine according to two possible variant embodiments
  • FIGS. 2a , 3a , 4a , 5a , 6a , 7a represent schematic views of the different operating conditions of the propulsion apparatus in figure 1a , as better specified hereinafter;
  • FIGS. 2b , 3b , 4b , 5b , 6b , 7b represent schematic views of the different operating conditions of the propulsion apparatus of figure 1b , as better specified hereinafter.
  • an overall schematic view of a hybrid propulsion apparatus comprising an internal combustion engine 8 and a reversible electric machine 12 according to the present invention is collectively indicated at reference number 4.
  • the internal combustion engine 8 is in turn equipped with a drive shaft 9 and at least one transmission shaft 10, preferably through the interposition of a gearbox 11.
  • the type of gearbox is not relevant to the present invention.
  • the propulsion apparatus may be applied to any type of motorcycle, having two, three or more wheels, or even a motor vehicle or industrial vehicle. There are no limitations or exclusions of any kind even in relation to the type, displacement and power of the internal combustion engine.
  • the propulsion apparatus is of the hybrid type, since it comprises both an internal combustion engine 8 and a reversible electric machine 12, which may be used both to support the internal combustion engine 8, for example the supercharging thereof, and to provide torque/power in addition to and/or as an alternative to the power of the internal combustion engine, as better specified below.
  • the reversible electric machine 12 comprises a first and a second electromechanical component 16,20, mechanically separated and mounted rotatably with respect to an axis of rotation (X-X),
  • said electromechanical components comprise electrical windings and/or permanent magnets.
  • the electromechanical components 16,20 are configured and controlled to function alternately as stator and rotor: in this way, the reversible electric machine 12 may work alternately as an electric motor and an electric generator, whereby it may absorb electrical energy to deliver mechanical energy, or absorb mechanical energy to deliver electrical energy, respectively, according to the contingent operation of the propulsion apparatus 4.
  • the electromechanical components 16,20 are coaxial to the axis of rotation X-X and configured so as to be able to rotate against each other and to face each other.
  • both electromechanical components 16,20 are configured to rotate.
  • both the first electromechanical component 16 and the second electromechanical component 20 are equipped with respective bearings 22; the bearings 22 may be of any type, comprising, for example, ball bearings, roller bearings, needle roller bearings, bushings and the like.
  • the electromechanical components 16,20 are equipped respectively with first and second mechanical connection means 24,28, so as to be able to receive in or send out mechanical power.
  • Mechanical connection means 24,28 may be of various types; depending on a possible embodiment, the first and/or second mechanical connection means 24,28 comprise a connection joint that may be engaged and disengaged on command.
  • connection joint may be a friction joint or an electromagnetically actuated joint.
  • the first and/or second mechanical connection means 24,28 comprise at least one braking device 32 suitable to slow down and/or selectively block the rotation of the corresponding electromechanical component 16,20 and, in particular, of the first electromechanical component 16, as better described hereinafter.
  • the braking device 32 may be of various types, comprising, for example, a friction brake such as a band, pad or drum brake, a disc brake and the like.
  • first mechanical connection means 24 comprise a first shaft and the second mechanical connection means 28 comprise a second shaft, said shafts being coaxial and disconnected from each other.
  • the first electromechanical component 16 is equipped with electrical connection means to be able to receive in and/or send out electrical power, depending on the type of operation of the reversible electric machine as a motor or generator respectively.
  • Said electrical connection means may comprise at least one inverter 36 and/or at least one DC accumulator device 40.
  • the component at a lower rotational speed acts as a stator and the component at a higher speed rotates relative to the other at a speed equal to the difference in rotational speed.
  • the reversible electric machine 12 is preferably integrated into the propulsion apparatus 4 so that it may be used not only as an electric drive element but also as a supercharging device.
  • the first electromechanical component 16 is operatively connected, by means of said first mechanical connection means 24, to a compressor 44 fluidly connected to a suction duct 48 of the internal combustion engine 8.
  • Said compressor 44 comprises an impeller mechanically connected to said first mechanical connection means 24.
  • connection between the first electromechanical component 16 and the compressor 44 may be direct, i.e. with a 1:1 transmission ratio, or variable transmission ratios may be provided.
  • the compressor 44 is typically a radial or centrifugal compressor, but it is also possible to envisage an axial compressor; the compressor 44, whether radial or axial, may be of the fixed type or envisage fins (on the impeller or on the distributor) of the movable or variable type, in order to optimize the compression depending on the rotation speed of the impeller.
  • the suction duct 48 is equipped with a throttle body 52 or any other device adapted to choke the passage opening of the same suction duct; for example, a guillotine valve or the like may also be used for this purpose.
  • an air filter 49 is placed upstream of the suction duct 48, in a known manner.
  • the compressor 44 may be placed either upstream or downstream of said throttle body 52.
  • figures 'a' illustrate the solutions wherein the compressor 44 is positioned upstream of the throttle body 52, and the figures 'b' illustrate it downstream.
  • the suction duct 48 is equipped with a branch 60 that supplies the air to the same compressor 44.
  • the branch 60 is located downstream of the air filter 49.
  • the branch 60 is not usually provided.
  • the branch 60 is equipped with a shut-off valve 62 to allow or block the access of the air from the air filter 49 to the inside the same branch.
  • the suction duct 48 is equipped with a bypass duct 56 placed between an inlet 57 and an outlet 58 of the compressor 44, wherein preferably said bypass duct 56 is equipped with a bypass valve 64.
  • Said bypass duct 56 acts as an anti-pumping device for the compressor 44.
  • bypass duct 56 with relative bypass valve 64, both in solutions equipped with a branch 60 and in solutions without a branch 60.
  • the second electromechanical component 20 is operatively connected, by means of the second mechanical connection means 28, to the drive shaft 9 or to the transmission shaft 10 of the internal combustion engine 8.
  • the hybrid propulsion apparatus 4 comprises a second electric machine 68, electrically connected to at least one accumulator device 40 and mechanically connectible to the drive shaft 9 and/or the transmission shaft 10.
  • the drive shaft will in turn be kinematically connected to at least one drive wheel 14 of the motorcycle.
  • At least one drive wheel may be fitted to the front or rear axle of the motorcycle.
  • the final transmission type that goes to the wheel or to the drive wheels is not relevant to the present invention.
  • the second electric machine may be a small electric motor that acts as a starter for the internal combustion engine 8 or an electric motor of greater power also able to drive the vehicle.
  • the propulsion apparatus 4 described above has many variant embodiments and may be operated in various configurations depending on the contingent operating conditions and/or user requirements.
  • the propulsion apparatus 4 operates in pure internal combustion propulsion mode ( figures 2a-2b ), with or without supercharging.
  • the regulation method of the hybrid propulsion apparatus comprises the steps of:
  • the reversible electric machine 12 does not activate the compressor 44, the shaft of which is braked; it should be noted that preferably, if the apparatus comprises the branch 60, the shut-off valve 62 is open so that the flow of intake air does not enter the branch 60 and is not braked by the impeller of the compressor 44 which may thus be blocked. If the apparatus 4 does not comprise the branch 60 and thus the suction air flow intercepts the impeller of the compressor 44, it is then possible not to block the impeller but to make it rotate at the speed set by the same suction flow; it is also possible to open the bypass valve 64 so as to preferably bypass the same impeller, limiting the pressure drops of the suction flow.
  • the reversible electric machine 12 may supply electrical energy to the accumulator device 40, operating in the electric generator mode; therefore, the reversible electric machine 12 may draw part of the mechanical power from the drive shaft 9, transforming it into electrical power. For example, this condition may occur when the accelerator is released or when driving downhill.
  • the regulation method of the hybrid propulsion apparatus 4 comprises the steps of:
  • Such configuration corresponds to the requirement for more or maximum power from the engine which benefits from the supercharging air flow, which, unlike traditional supercharging systems, is not obtained by the mechanical connection of the impeller to the engine or by exhaust gas recirculation, but by the electric drive of the compressor 44.
  • the reversible electric machine 12 could simultaneously supply electrical energy to the accumulator device 40 and drive the compressor 44, thus performing a dual function at the same time: this is made possible by exploiting the relative speed between the two electromechanical components 20,24.
  • the reversible electric machine 12 functions as a motor, i.e. it absorbs power from the accumulator device 40 and actuates the compressor 44 so as to supercharge the internal combustion engine 8; optionally, the second electric machine 68 may also enter into action, which, by also absorbing electrical power from the accumulator device, feeds mechanical power onto the transmission shaft 10.
  • the internal combustion engine 8 operates around a design point, i.e. under conditions of maximum efficiency, and the mechanical power produced is used by the reversible electric machine 12 to produce and store electrical energy in the accumulator device 40.
  • the compressor 44 is not actuated and all the mechanical power absorbed by the drive shaft is used by the reversible electric machine 12 to generate electrical power.
  • the clutch of the internal combustion engine is also opened.
  • the second electric machine 68 may absorb electrical power from the accumulator device 40 and provide mechanical power on the transmission shaft 10 to ensure operation in energy-saving mode.
  • the regulation method of the hybrid propulsion apparatus 4 comprises the steps of: blocking the rotation of the compressor 44 by means of the first mechanical connection means 24, driving in rotation the second electromechanical component 20, absorbing electrical power from an accumulator device 40, and providing, via the second mechanical connecting means 28, the mechanical power of the reversible electric machine 12 to the transmission shaft 10 for forward or reverse drive of the vehicle, or for starting the internal combustion engine.
  • the purely electrical mode may also be obtained with the second electric machine 68 which supplies mechanical power to the transmission shaft 10 ( figures 5a-5b ), even when the reversible electric machine 12 is in the deactivation condition.
  • the second electric machine 68 performs as a starter motor for the internal combustion engine 8, absorbing electrical power from the accumulator device 40 and providing mechanical power to the drive shaft 9.
  • the reversible electric machine 12 may also not be used.
  • the second electric machine 68 carries out the function of reverse drive, taking electrical power from the accumulator device 40 and supplying mechanical power to the transmission shaft 10, wherein the internal combustion engine is switched off or in neutral.
  • the reversible electric machine 12 may also not be used.
  • the present invention allows the drawbacks presented in the prior art to be overcome.
  • the present invention allows the implementation of supercharging on motorcycles, with maximum flexibility of use that includes a wide range of operating options, including: purely electrical operation, maximum efficiency in terms of fuel consumption, maximum universityness and so on.
  • the present invention allows for an improvement and optimization of fuel consumption in the motorcycle industry without penalizing performance.
  • the present invention illustrates an electric machine and a supercharging system with a plurality of features, all of which may be implemented in a modular way according to the needs of the user, in an extremely flexible manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Claims (14)

  1. Motorrad, umfassend eine Hybridantriebsvorrichtung (4), die einen Verbrennungsmotor (8) und eine umsteuerbare elektrische Maschine (12) umfasst, die in der Lage ist, abwechselnd als Elektromotor und als elektrischer Generator zu arbeiten, wobei die umsteuerbare elektrische Maschine umfasst:
    eine erste elektromechanische Komponente (16), die mittels erster mechanischer Verbindungsmittel (24) operativ mit einem Kompressor (44) verbunden ist, der in Fluidverbindung mit einer Ansaugleitung (48) des Verbrennungsmotors (8) steht, wobei die erste elektromechanische Komponente (16) ferner mindestens mit elektrischen Wicklungen elektrischen Verbindungsmitteln versehen ist, um elektrische Energie zu empfangen und abzugeben,
    eine zweite elektromechanische Komponente (20), die mittels zweiter mechanischer Verbindungsmittel (28) operativ mit einer Antriebswelle (9) oder mit einer Getriebewelle (10) des Verbrennungsmotors (8) verbunden ist,
    wobei die zweite elektromechanische Komponente (20) ferner mit elektrischen Wicklungen und/oder Permanentmagneten versehen ist; wobei die erste und die zweite elektromechanische Komponente (16, 20) dazu konfiguriert sind, zueinander mit unterschiedlichen Winkelgeschwindigkeiten um eine gemeinsame Drehachse (X-X) zu drehen; wobei die elektromechanischen Komponenten (16, 20) dazu konfiguriert sind und gesteuert sind, abwechselnd als Stator und Rotor zu arbeiten, wobei die elektromechanischen Komponenten (16, 20) in der Lage sind, zueinander zu rotieren,
    wobei die Komponente mit der niedrigeren Drehgeschwindigkeit als Stator wirkt und
    die Komponente mit der höheren Geschwindigkeit in Bezug auf die andere mit einer Geschwindigkeit dreht, die der Differenz der Drehgeschwindigkeiten gleich ist.
  2. Motorrad nach Anspruch 1, wobei die ersten mechanischen Verbindungsmittel (24) eine Verbindungskupplung umfassen, die auf Befehl in Eingriff/außer Eingriff gebracht werden kann.
  3. Motorrad nach Anspruch 2, wobei die Verbindungskupplung eine Reibkupplung oder eine elektromagnetisch betätigte Kupplung ist.
  4. Motorrad nach einem der vorhergehenden Ansprüche, wobei die ersten mechanischen Verbindungsmittel (24) mindestens eine Bremsvorrichtung (32) umfassen, die geeignet ist, die Drehung der ersten elektromechanischen Komponente (16) zu bremsen und/oder selektiv zu blockieren.
  5. Motorrad nach einem der vorhergehenden Ansprüche, wobei die elektrischen Verbindungsmittel mindestens einen Umrichter (36) und/oder mindestens einen Gleichstrom-Akkumulator (40) umfassen.
  6. Motorrad nach einem der vorhergehenden Ansprüche, wobei die Ansaugleitung (48) mit einem Drosselventilkörper (52) versehen ist und wobei der Kompressor (44) stromaufwärts oder stromabwärts dem Drosselventilkörper (52) angeordnet ist.
  7. Motorrad nach einem der vorhergehenden Ansprüche, wobei die Ansaugleitung (48) mit einer Bypass-Leitung (56) versehen ist, die zwischen einem Einlass (57) und einem Auslass (58) des Kompressors (44) angeordnet ist, wobei die Bypass-Leitung (56) vorzugsweise mit einem Bypass-Ventil (64) versehen ist.
  8. Motorrad nach einem der vorhergehenden Ansprüche, umfassend eine zweite elektrische Maschine, die elektrisch mit mindestens einem Akkumulator (68) verbunden ist und die mechanisch mit der Antriebswelle (9) und/oder der Getriebewelle (10) verbunden werden kann.
  9. Motorrad nach einem der vorhergehenden Ansprüche, wobei die ersten mechanischen Verbindungsmittel (24) eine erste Welle und die zweiten mechanischen Verbindungsmittel (28) eine zweite Welle umfassen, wobei die Wellen voneinander getrennt sind.
  10. Regelverfahren für eine Hybridantriebsvorrichtung (4) eines Motorrads nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    - Blockieren der Drehung des Kompressors (44) mittels der ersten mechanischen Verbindungsmittel (24);
    - Antreiben nach Drehprinzip der zweiten elektromechanischen Komponente (20) mittels der zweiten mechanischen Verbindungsmittel (28) unter dem Schub des Verbrennungsmotors (8);
    - wobei die umsteuerbare elektrische Maschine (12) als Generator arbeitet und elektrische Energie über die elektrischen Verbindungsmittel versorgt.
  11. Regelverfahren für eine Hybridantriebsvorrichtung (4) eines Motorrads nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    - Antreiben nach Drehprinzip der zweiten elektromechanischen Komponente (20) mittels der zweiten mechanischen Verbindungsmittel (28) unter dem Schub des Verbrennungsmotors (8);
    Ermöglichen der Drehung der ersten elektromechanischen Komponente (16), Aufnehmen der elektrischen Energie aus einem Akkumulator (40), wobei die erste elektromechanische Komponente (16) den Kompressor (44) mittels der ersten mechanischen Verbindungsmittel (24) nach Drehprinzip antreibt,
    - wobei die zweite elektromechanische Komponente (20) als drehbarer Stator der umsteuerbaren elektrischen Maschine (12) arbeitet und die erste elektromechanische Komponente (16) als Rotor der umsteuerbaren elektrischen Maschine (12) arbeitet, wobei die Drehgeschwindigkeit der zweiten elektromechanischen Komponente (20) geringer als die Drehgeschwindigkeit der ersten elektromechanischen Komponente (16) ist.
  12. Regelverfahren für eine Hybridantriebsvorrichtung (4) eines Motorrads nach einem der Ansprüche 1 bis 9, umfassend die folgenden Schritte:
    - Blockieren der Drehung des Kompressors (44) mittels der ersten mechanischen Verbindungsmittel (24),
    - Antreiben nach Drehprinzip der zweiten elektromechanischen Komponente (20), Aufnehmen elektrischer Energie aus einem Akkumulator (40) und Bereitstellen der mechanischen Leistung der umsteuerbaren elektrischen Maschine (12) über die zweiten mechanischen Verbindungsmittel (28) an die Getriebewelle (10) für den Vorwärts- oder Rückwärtsantrieb des Fahrzeugs.
  13. Regelverfahren für eine Hybridantriebsvorrichtung (4) eines Motorrads nach einem der Ansprüche 10 bis 12, wobei die zweite elektrische Maschine (68) mechanische Leistung an die Getriebewelle (10) liefert oder als Starter für den Verbrennungsmotor (8) arbeitet, indem sie elektrische Energie aus dem Akkumulator (40) aufnimmt und mechanische Leistung an die Antriebswelle (9) liefert.
  14. Regelverfahren für eine Hybridantriebsvorrichtung (4) eines Motorrads nach Anspruch 13, wobei die zweite elektrische Maschine (68) die Rückwärtsgangsfunktion ausführt, indem sie elektrische Energie aus dem Akkumulator (40) aufnimmt und mechanische Leistung an die Getriebewelle (10) liefert, wobei der Verbrennungsmotor (8) ausgeschaltet ist oder sich im Leerlauf befindet.
EP19721145.1A 2018-04-17 2019-04-16 Hybridantriebsvorrichtung, motorrad und regelverfahren für eine antriebsvorrichtung Active EP3781428B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000004590A IT201800004590A1 (it) 2018-04-17 2018-04-17 Macchina elettrica reversibile, apparato di propulsione di tipo ibrido, motoveicolo e metodo di regolazione di un apparato di propulsione
PCT/IB2019/053130 WO2019202502A1 (en) 2018-04-17 2019-04-16 Hybrid type propulsion apparatus, motorcycle and regulation method of a propulsion apparatus

Publications (2)

Publication Number Publication Date
EP3781428A1 EP3781428A1 (de) 2021-02-24
EP3781428B1 true EP3781428B1 (de) 2025-12-31

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EP (1) EP3781428B1 (de)
IT (1) IT201800004590A1 (de)
WO (1) WO2019202502A1 (de)

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP2585694B1 (de) * 2010-06-22 2014-04-02 Volvo Lastvagnar AB Turboverbundsystem und verfahren zum kontrole

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US8653677B2 (en) * 2009-01-15 2014-02-18 Volvo Technology Corporation Electromagnetic, continuously variable transmission power split turbo compound and engine and vehicle comprising such a turbo compound
US8461710B1 (en) * 2010-01-07 2013-06-11 Florida Turbine Technologies, Inc. High speed industrial gas turbine engine with co-rotating generator for high speed use
DE102011084092A1 (de) * 2011-10-06 2013-04-11 Bayerische Motoren Werke Aktiengesellschaft Elektrische Maschine, insbesondere Antriebsmaschine für Fahrzeuge
EP2578438B1 (de) * 2012-01-10 2017-04-26 Volvo Car Corporation Doppelwellenmotor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2585694B1 (de) * 2010-06-22 2014-04-02 Volvo Lastvagnar AB Turboverbundsystem und verfahren zum kontrole

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WO2019202502A1 (en) 2019-10-24
IT201800004590A1 (it) 2019-10-17
EP3781428A1 (de) 2021-02-24

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